A nurse is caring for a client with peripheral artery disease who has an arterial ulcer. Which of the following best describes the mechanism for developing the clinical problem?

Swelling of the lower extremity can create a wound that is difficult to heal.

Decreased blood flow to the area can cause the wound and decrease the healing.

Lower extremity compression stockings likely caused the wound to occur.

Increased blood sugar associated with the condition is likely the cause of the wound not healing.

Answer and Explanation

The Correct Answer is B

A. Swelling of the lower extremity can create a wound that is difficult to heal. Swelling typically relates to venous ulcers, not arterial ulcers, which are caused by reduced blood flow.

B. Decreased blood flow to the area can cause the wound and decrease the healing. Peripheral artery disease causes decreased blood flow, leading to poor oxygenation and slow healing of arterial ulcers.

C. Lower extremity compression stockings likely caused the wound to occur. Compression stockings are used in venous insufficiency and do not cause arterial ulcers.

D. Increased blood sugar associated with the condition is likely the cause of the wound not healing. While high blood sugar can impair healing, decreased blood flow is the primary cause of arterial ulcers in PAD.

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Correct Answer is C

Explanation

A. Calcium 10 mg/dL: This calcium level is within the normal range (8.6-10.2 mg/dL) and does not require intervention.

B. Sodium 136 mEq/L: This sodium level is within the normal range (135-145 mEq/L).

C. Potassium 2.3 mEq/L: This potassium level is critically low; bumetanide is a loop diuretic that can cause hypokalemia, which can lead to dangerous cardiac dysrhythmias.

D. Magnesium 1.4 mEq/L: While slightly low, this magnesium level is only mildly decreased and not as immediately concerning as the potassium level.

A. The ST segment is above the isoelectric line. B. The QRS intervals are 0.08 second. C. The QT interval is equal to the R to R interval. D. The PR intervals are 0.15 second.

Correct Answer is A

Explanation

A. The ST segment is above the isoelectric line. An elevated ST segment is a hallmark sign of acute myocardial infarction (MI), indicating myocardial injury.

B. The QRS intervals are 0.08 second. A QRS interval of 0.08 seconds is within the normal range and does not indicate myocardial infarction.

C. The QT interval is equal to the R to R interval. QT interval measurements are not diagnostic for acute MI.

D. The PR intervals are 0.15 second. A PR interval of 0.15 seconds is within the normal range and is not indicative of acute MI.

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A nurse is caring for a client with peripheral artery disease who has an arterial ulcer. Which of the following best describes the mechanism for developing the clinical problem?

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Naxlex Comprehensive Predictor Exams

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